EXHIBIT 99.1

  Digital Recorders, Inc. Announces Participation in APTA Conference

   Transit Industry Events Slated May 4-9, 2007 in Nashville, Tenn.

    DALLAS--(BUSINESS WIRE)--May 3, 2007--Digital Recorders, Inc.
(Nasdaq:TBUS), a digital communications technology leader in the
domestic and international public transportation and transit security
markets, announced today that its Digital Recorders (DR) division and
TwinVision na, Inc. (TVna) subsidiary, both based in Research Triangle
Park, N.C., will participate in the American Public Transportation
Association (APTA) Bus & Paratransit Conference & International Bus
"Roadeo," May 4-9, 2007, in Nashville, Tenn.

    During the APTA Bus & Paratransit Conference's exhibition, the DR
division will demonstrate its Digital Recorders(R) automatic vehicle
location system in Booth #401 and the TVna subsidiary will demonstrate
its latest generation of the TwinVision(R) electronic destination sign
systems in Booth #403.

    During the APTA International Bus Roadeo Grand Awards Banquet on
May 8, 2007, the TVna subsidiary will be recognized as an event
sponsor. The APTA International Bus Roadeo is an annual competition
for bus operators and mechanics in the U.S. and Canada.

    "The APTA Bus & Paratransit Conference & International Bus Roadeo
are annual transit industry events at which our business units exhibit
their products and network with the leading bus vehicle manufacturers
and operators," David L. Turney, the Company's Chairman, President,
and Chief Executive Officer, said.

    APTA is a nonprofit international association of 1,600 member
organizations including public transportation systems; planning,
design, construction and finance firms; product and service providers;
academic institutions; and state associations and departments of
transportation. APTA members serve the public interest by providing
safe, efficient and economical public transportation services and
products. APTA members serve more than 90 percent of persons using
public transportation in the U.S. and Canada.

    ABOUT THE DIGITAL RECORDERS DIVISION

    Established in 1983, the DR division develops and manufactures
intelligent transportation products for the transit industry. Products
include: computer-aided dispatch/automatic vehicle location systems;
automatic vehicle monitoring systems; Talking Bus(R) automatic voice
announcement systems; vandal-resistant, hands-free driver microphones;
and more. For more information about the DR division, go to
www.talkingbus.com.

    ABOUT THE TWINVISION NA, INC. SUBSIDIARY

    Established in 1996, the TVna subsidiary designs, manufactures,
sells, and services TwinVision(R) electronic destination sign systems
used on public transit vehicles. For ore information about the TVna
subsidiary, go to www.twinvisionsigns.com.

    ABOUT THE COMPANY

    Digital Recorders, Inc. is a digital communications technology
leader in the domestic and international public transportation and
transit security markets. Our products include: TwinVision(R) and
Mobitec(R) electronic destination sign systems, Talking Bus(R) voice
announcement systems, Digital Recorders(R) Internet-based passenger
information and automatic vehicle location/monitoring systems, and
VacTell(TM) video actionable intelligence systems. Our products help
increase the mobility, flow, safety, and security of people who rely
upon transportation infrastructure around the globe. Using proprietary
hardware and software applications, our products provide
easy-to-understand, real-time information that assists users and
operators of transit bus and rail vehicles in locating, identifying,
boarding, tracking, scheduling, and managing those vehicles. Our
products also aid transit vehicle operators in their quest to increase
ridership and reduce fuel consumption, as well as to identify and
mitigate security risks on transit vehicles. Positioned not only to
serve and address mobility, energy conservation, and environmental
concerns, our products also serve the growing U.S. Homeland Security
market. For more information about the Company and its operations
worldwide, go to www.digrec.com.

    FORWARD-LOOKING STATEMENTS

    This press release may contain "forward-looking statements" within
the meaning of the Private Securities Litigation Reform Act of 1995.
Any statement, express or implied, concerning future events or
expectations is a forward-looking statement. Use of words such as
"expect," "fully expect," "expected," "appears," "believe," "plan,"
"anticipate," "would," "will," "goal," "potential," "potentially,"
"range," "pursuit," "run rate," "stronger," "preliminarily," etc., is
intended to identify forward-looking statements that are subject to
risks and uncertainties may not prove accurate over time, as well as
other risks and uncertainties set forth in our Annual Report on Form
10-K filed March 28, 2007, particularly those identified in Risk
Factors Affecting Our Business. There can be no assurance that any
expectation, express or implied, in a forward-looking statement will
prove correct or that the contemplated event or result will occur as
anticipated.

    CONTACT: Veronica B. Marks
             Manager, Corporate Communications
             Digital Recorders, Inc.
             Phone: (214) 378-4776
             Fax: (214) 378-8437
             E-Mail: veronicam@digrec.com